How do you stop being afraid of change?

I just feel like a part of me just doesn’t want to accept change and evolve with time. Mind doesn’t want to leave comfort zone. This easy mentality of living this way has created a lot of hurdles. Because in life, a change is important to see any sorta growth and improvement. Losing weight requires exercise and change in diet. Making more money requires upskilling or going to back college. But nobody really talks about how to be postive. How to be confident. How to be fearless. How to breakout of old habits and mindset. How to change mindset to better tommrow. How to look at life in different perspective. A older friend of mine said long time ago, if you want things in easy life than you should look at your situations as easy problem solving. If you look at problems as problems than it will only remain a problem. Instead of saying I can’t say I can I will I should